Mages' Contest [The List] Set_Worldbreaker It took the banning of

It took the banning of temporal manipulation at Tolaria West to teach its students the value of time

Set: Promo Finish: Cold Foil - Golden Type: Equipment Subtype: Head Rarity: Promo Class: Earth Once per Turn Instant - [1 Resource]

Set: EX: Legend Maker Type: Lightning Rarity: Rare Retreat cost: Colorless

Legendary Foe (Foil) - Kassen #LF3 | The Nerd Merchant

it also gains the following ability until end of turn

Mages' Contest [The List] Set_Worldbreaker It took the banning ofSet: The List Type: Instant Rarity: Rare Cost: {1}{R}{R} You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.